Sz 11-11.5 Birkenstock A 630 Polyurethane Black Womens Clog 。Birkenstock A 630 professional clogs offer maximum safety and grip in demanding work environments. These slip-resistant work shoes feature a robust polyurethane upper that is water-resistant and dirt-repellent, making them ideal for kitchens and medical settings. The anatomical cork-latex footbed provides exceptional support for long hours on your feet, while the deep heel cup and roomy toe box ensure a comfortable, stable fit. Designed with a washable shell and a replaceable lining, these clogs are built for durability and hygiene.